/*
 * Copyright (2024) The Delta Lake Project Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.delta.kernel.engine.coordinatedcommits.actions;

import io.delta.kernel.annotation.Evolving;
import java.util.Set;

/**
 * Interface for protocol actions in Delta. The protocol defines the requirements that readers and
 * writers of the table need to meet.
 *
 * @since 3.3.0
 */
@Evolving
public interface AbstractProtocol {

  /** The minimum reader version required to read the table. */
  int getMinReaderVersion();

  /** The minimum writer version required to read the table. */
  int getMinWriterVersion();

  /** The reader features that need to be supported to read the table. */
  Set<String> getReaderFeatures();

  /** The writer features that need to be supported to write the table. */
  Set<String> getWriterFeatures();
}
